#VU58079 Input validation error in Siemens products - CVE-2021-31345
Published: November 10, 2021
Vulnerability identifier: #VU58079
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-31345
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Nucleus NET
Nucleus Source Code
Capital VSTAR
Nucleus ReadyStart
Nucleus NET
Nucleus Source Code
Capital VSTAR
Nucleus ReadyStart
Software vendor:
Siemens
Siemens
Description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the total length of an UDP payload (set in the IP header) is unchecked. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack or gain access to sensitive information on the system.
Remediation
Install updates from vendor's website.